Finite Group Databasebeta

#34197854

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

FittingC79×#1325 ⋊ C2
SylowC79 ⋊ #11555

Subgroups

subgroupG/H
centerC22#99×D79
commutatorC22×C4×C79C22×C4
FrattiniC2×C4⋊C4C22×D79
FittingC79×#1325C2
socleC22×C79C2×#99
prime radicalC23×D79C22⋊C4
cosocleC2×C4⋊C4×C79C23
hypercenter#1325D79
hypocenterC79#11555
LCSG ▷ C22×C4×C79 ▷ C22×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C23 ◁ C2×C4⋊C4 ◁ #1325

414 conjugacy classes of subgroups; only the 71 normal subgroups are shown.

normal subgroups only

This group has 414 conjugacy classes of subgroups — too many to draw. Only its 71 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 111
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 3 generators on 111 points:

(1,2)(3,4)(5,6)(7,8)(9,10)(11,12)(13,14)(15,16)(17,18)(19,20)(21,22)(23,24)(25,26)(27,28)(29,30)(31,32)(33,34)(35,36)(37,38)(39,40)(41,42)(43,44)(45,46)(47,48)(49,50)(51,52)(53,54)(55,56)(57,58)(59,60)(61,62)(63,64)(65,66)(67,68)(69,70)(71,72)(73,74)(75,76)(77,78)(82,88)(85,91)(89,94)(92,95)(98,105)(101,110)(104,111)(106,108);(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)(16,17)(18,19)(20,21)(22,23)(24,25)(26,27)(28,29)(30,31)(32,33)(34,35)(36,37)(38,39)(40,41)(42,43)(44,45)(46,47)(48,49)(50,51)(52,53)(54,55)(56,57)(58,59)(60,61)(62,63)(64,65)(66,67)(68,69)(70,71)(72,73)(74,75)(76,77)(78,79)(80,82)(81,85)(83,89)(84,88)(86,92)(87,91)(90,94)(93,95)(96,98,100,105)(97,101,103,110)(99,108,109,106)(102,111,107,104);(80,81,83,86,84,87,90,93)(82,85,89,92,88,91,94,95)(96,97)(98,104,105,111)(99,107,109,102)(100,103)(101,106)(108,110)

Polycyclic presentation:

2^8,79|a^2=e,b^2=h,d^2=h,e^2=g,b^a=bd,d^a=df,f^a=fh,c^b=cgh,d^b=dh,e^b=efh,i^b=i^78,i^c=i^78,e^d=eh

Conjugacy classes & character table

1051 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 79153);